1334.85% is the change from 66 to 947
Calculation steps:
[( 947 - 66 ) ÷ 66] x 100 = 1334.85%
Formula
Percentage change = [(947 - 66) / 66] x 100
Subtract the new number by the original number
947 - 66 = 881
881 ÷ 66 = 13.348484848484848
13.348484848484848 x 100 = 1334.85%